The warmest insulated air pad, the Double Stuffed Double Z puts the D in deluxe, puts the Z in snooze, and will have you in a warm, comfortable sleep like you've never had before in the backcountry. This 4 season air pad is insulated with two layers of PrimaLoft Silver Hi-Loft insulation. A 4" thick gateway to dreamland that features an internal stabilizer construction to distribute body weight evenly and a 2-piece valve allowing for one way inflation and super quick deflation.